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Windows 7: Accidently defraged ssd and freespace

12 Sep 2011   #1
Elite Knight

Windows 7 Pro x64
 
 
Accidently defraged ssd and freespace

As the title says I made a defrag schedule for my main HDD for games and movies and also set my 32gb ssd to defrag. Also freespace defrag and cut it off half way though please tell me did it do any damage to my ssd. As i'v head you don't defrag them.


My System SpecsSystem Spec
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12 Sep 2011   #2
WiFi Ed

Windows 7 Enterprise x64 SP1, Ubuntu 11.04 x64
 
 

I would not worry about the defrag. The reason(s) defrag is not recommended for SSD's is due to two factors, as far as I know.
1. Read speeds are so fast it doesn't matter if the files are fragmented and
2. Defragging increases the number of write cycles, and it is the write cycles that wear out SSD's

One round of defragging should not be a problem...

Edit: You made me curious. I checked my drive's Host Writes, it was 296.50 GB. I then "analyzed" my SSD using Win 7's defrag tool and it said my drive was 11% fragmented. Being curious and the type who laughs in the face of danger (or just lacks common sense), I defragged the SSD.

Defrag completed fairly quickly, and the Host Writes value was 305.13 GB.

So I took about 9 GB of "life" off my drive by defragging it. Sigh...
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12 Sep 2011   #3
ha1o2surfer

Windows 7 Professinal x64
 
 

No worries. Defragging an SSD will only cut it short a few months of it's life!
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12 Sep 2011   #4
Elite Knight

Windows 7 Pro x64
 
 

I work a computer store and since ssds are new Im still learning how they work. I heard perfect disk has a ssd optimizer but i wouldent try it.

A few months wow thats a bit much dont you think.
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14 Sep 2011   #5
ha1o2surfer

Windows 7 Professinal x64
 
 

well I was saying if you regularly defragg it. As much as you would a regular hard drive. If you do it once, I'd say it wouldn't cut a noticeable amount off it's lifetime
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14 Sep 2011   #6
pparks1

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by ha1o2surfer View Post
No worries. Defragging an SSD will only cut it short a few months of it's life!
I think "months" is an exaggeration. Let's say an SSD would normally last 5 years. I don't think doing a defrag one time will cause it to lose 2 months.
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14 Sep 2011   #7
Wishmaster

Windows 7 Home Premium 64bit
 
 

What did you use to defrag it?


And yes, PD has a SSD optimize. No, it will not hurt the SSD.

It doesnt actually defrag, and move a lot of files.
Fragmentation does not affect a SSDs Read speed, this is quite true.

But, free space fragmentation can effect the write speeds.
Since a SSD must erase a block, before writing to it, this is why a defrag is a bad thing. Its causing alot of Erase/Write Cycles.
This in and of itself will not harm the SSD, its just using up the limited amount of writes the SSD is rated for faster, for no real improvements in return.

Rather than trying to explain it myself, heres Raxco's explination of how it works:
SSD Optimization - RAXCO Software
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16 Sep 2011   #8
ha1o2surfer

Windows 7 Professinal x64
 
 

Quote   Quote: Originally Posted by pparks1 View Post
Quote   Quote: Originally Posted by ha1o2surfer View Post
No worries. Defragging an SSD will only cut it short a few months of it's life!
I think "months" is an exaggeration. Let's say an SSD would normally last 5 years. I don't think doing a defrag one time will cause it to lose 2 months.
"well I was saying if you regularly defragg it. As much as you would a regular hard drive. If you do it once, I'd say it wouldn't cut a noticeable amount off it's lifetime"
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 Accidently defraged ssd and freespace




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